Sodium Bicarbonate, also known as baking soda or ANTACID, is a white crystalline powder that is commonly used in baking and as a household cleaner. It is also used as an ANTACID to neutralize stomach acid and treat heartburn and indigestion. It is also used in some medical treatments, such as for kidney stones and urinary tract infections. Sodium Bicarbonate is a safe and effective ANTACID that can be taken orally or applied topically.